Upgrade Icu4j to version 73.1

Signed-off-by: Andrea Cosentino <ancosen@gmail.com>
diff --git a/parent/pom.xml b/parent/pom.xml
index 384af60..993323c 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -222,7 +222,7 @@
         <huaweicloud-obs-version>3.23.3</huaweicloud-obs-version>
         <huaweicloud-sdk-version>3.1.38</huaweicloud-sdk-version>
         <ical4j-version>1.0.7</ical4j-version>
-        <icu4j-version>72.1</icu4j-version>
+        <icu4j-version>73.1</icu4j-version>
         <ignite-version>2.15.0</ignite-version>
         <impsort-maven-plugin-version>1.9.0</impsort-maven-plugin-version>
         <infinispan-version>14.0.9.Final</infinispan-version>